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Is coal to liquid more efficient than gasoline?

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Is coal to liquid more efficient than gasoline? Keep reading to learn if coal to liquid is more efficient than gasoline.

What are fuel-efficient tires?

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What are fuel efficient tires? Find out what fuel efficient tires are and how they work at HowStuffWorks.

Can all washers use high-efficiency detergent?

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Are you wondering can all washers use high-efficiency detergent? Find out if all washers can use high-efficiency detergent in this article.

Are high-efficiency washers worth the expense?

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The price tags on some of the newer high-efficiency washing machines might cause you to hesitate. But if you look at the costs of running a washer over the long haul, something that uses less energy becomes a bit more appealing.

10 Surprisingly Fuel-efficient Sports Cars

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How much do you know about fuel efficient cars? Keep reading to discover 10 Surprisingly Fuel Efficient Sports Cars.

Would Exercise Work Better if We Did It Naked?

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What are the benefits of nude exercise? Learn more about exercise clothing and nudity in this HowStuffWorks article.

Are washer/dryer combination machines energy efficient?

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Washer/dryer combinations are compact and convenient for small spaces, eliminating the need for two separate machines. But are they really as energy efficient as they seem?

Gas vs. Electric: Which dryer is more energy efficient?

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Gas vs. Electric: Which dryer is more energy efficient? Visit TLC Home to find out if gas dryers or electric dryers are more energy efficient.

What's the energy efficiency ratio for hydrogen fuel cells?

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What's the energy efficiency ratio for hydrogen fuel cells? Keep reading to learn about the energy efficiency ratio for hydrogen fuel cells.

Home Heating and Cooling Efficiency Tips

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As energy prices rise, most homeowners are concerned about heating and cooling efficiency. Learn how to keep your energy bills under control.

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